Hexokinase
The enzyme hexokinase phosphorylates (adds a phosphate group to) glucose in the cell's cytoplasm. In the process, a phosphate group from ATP is transferred to glucose producing glucose 6-phosphate.
Chemical equation
![Glucose_{in} + ATP \rightleftharpoons Glc6P + ADP](/wiki/images/math/5/1/c/51c1f51b54e383ab569baf582d5d2aab.png)
Rate equation
Random Bi-Bi Michaelis Menten is used
![v = \frac{\frac{V_{mf}}{K_{Glu}K_{ATP}}\Big( [Glu][ATP] - \frac{[G6P][ADP]}{K_{eq}} \Big)}{1 + \frac{[Glu]}{K_{Glu}} + \frac{[ATP]}{K_{ATP}} + \frac{[Glu][ATP]}{K_{Glu}K_{ATP}} + \frac{[G6P]}{K_{G6P}} + \frac{[ADP]}{K_{ADP}} +\frac{[G6P][ADP]}{K_{G6P}K_{ADP}} + \frac{[Glu][ADP]}{K_{Glu}K_{ADP}} +\frac{[G6P][ATP]}{K_{G6P}K_{ATP}} }](/wiki/images/math/c/5/c/c5c8f9303c6731eafa4b40c8407ff530.png)